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The Saturniidae Fauna of Napo Province, Ecuador: an Overview (Lepidoptera: Saturniidae) SHILAP Revista De Lepidopterología, Vol

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The Saturniidae Fauna of Napo Province, Ecuador: an Overview (Lepidoptera: Saturniidae) SHILAP Revista De Lepidopterología, Vol SHILAP Revista de Lepidopterología ISSN: 0300-5267 [email protected] Sociedad Hispano-Luso-Americana de Lepidopterología España Racheli, L.; Racheli, T. The Saturniidae fauna of Napo Province, Ecuador: an overview (Lepidoptera: Saturniidae) SHILAP Revista de Lepidopterología, vol. 34, núm. 134, 2006, pp. 125-139 Sociedad Hispano-Luso-Americana de Lepidopterología Madrid, España Available in: http://www.redalyc.org/articulo.oa?id=45513402 How to cite Complete issue Scientific Information System More information about this article Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Journal's homepage in redalyc.org Non-profit academic project, developed under the open access initiative 125-139 The Saturniidae fauna o 15/6/06 13:27 Página 125 SHILAP Revta. lepid., 34 (134), 2006: 125-139 SRLPEF ISSN:0300-5267 The Saturniidae fauna of Napo Province, Ecuador: an overview (Lepidoptera: Saturniidae) L. Racheli & T. Racheli Abstract In this paper, an update inventory of 196 Saturniidae taxa (excluding Oxyteninae and Cercophaninae) recorded for Napo province, Ecuador, has been compiled. A review of all the available distributional data from the literature and additional records based on field expeditions conducted in this province have been used to arrange the present list. General information on the majority of the taxa found in this province have been summarized. Furthermore, a preliminary analysis of the species recorded along an altitudinal transect in this province is given. KEY WORDS: Lepidoptera, Saturniidae, inventory, Napo, Ecuador. La fauna de Saturniidae de la provincia de Napo, Ecuador: una revisión (Lepidoptera: Saturniidae) Resumen En este trabajo, se ha completado un inventario actualizado de 196 taxa de Saturniidae (excepto Oxyteninae y Cercophaninae), registrados para la provincia de Napo, Ecuador. Una revisión de todas las citas de distribución disponibles en la literatura y las citas adicionales procedentes de las expediciones realizadas en esta provincia, se han utilizado para actualizar la presente lista. Se ha resumido la información de carácter general sobre la mayoría de las taxa encontradas en esta provincia. Además, se da un análisis preliminar de cada especie citada a lo largo de un transecto altitudinal en esta provincia. PALABRAS CLAVE: Lepidoptera, Saturniidae, inventario, Napo, Ecuador. Introduction The present study deals with an inventory of the Saturniidae (excluding Oxyteniinae and Cerco- phaninae) recorded for Napo province, Ecuador. A provisional list of 196 taxa for this province is given on the total of 321 taxa known to occur in Ecuador (Tab. 2). The total number of 321 Saturniidae taxa recorded for this country is according to the recent update checklist given by RACHELI & RACHELI (2005b, and unpubl. observ.). After the publication of the general catalogue of the Ecuadorian Saturni- idae by LEMAIRE & VENEDICTOFF (1989), the present list is the first attempt aimed at obtaining a most detailed view of the Saturniids present in each Ecuadorian province. All the taxa belonging to the subfamilies Arsenurinae, Ceratocampinae, Hemileucinae and Sat- urniinae known to occur in this province are listed. The present inventory is based on a review of litera- ture (e. g. LEMAIRE & VENEDICTOFF, 1989; LEMAIRE, 2002; PIÑAS & MANZANO, 2003) and according to some field expeditions to this province carried out during 1993-2001 (see RACHELI & RACHELI, 1998a, 1998b, 1999). In the most recent study concerning the Saturniids of Napo province (RACHELI & RACHELI, 2005c), it has been emphasized the importance to present a synthesis regard- 125 125-139 The Saturniidae fauna o 15/6/06 13:27 Página 126 L. RACHELI & T. RACHELI ing the Saturniid diversity of this province in particular to have a compendium which may be useful for further studies. The Oxyteniinae and Cercophaninae species have been excluded from this study mostly because they have not been reviewed since a long time (JORDAN, 1924). In any case, they will be included in the third part of the planned checklist of the Ecuadorian Saturniidae (for the first part see RACHELI & RACHELI, 2005b). According to some preliminary investigations on the available Oxyteninae species, the total number of the species recorded for Ecuador, and in particular for Napo province, will increase if compared to those reported by JORDAN (1924). Unfortunately, the recent booklet by PIÑAS & MAN- ZANO (2003) is not valid to understand the total number of the Oxyteninae species found in Ecuador due to the misidentification of some species (see RACHELI, 2004, and unpublished observations). Material and methods The province of Napo: some general information The political province of Napo (11,930 kmq) includes a vast area in the eastern central Ecuador characterized by a variety of different vegetation types and habitats (Fig. 1). In this province, it is possi- ble to find typical Andean sites (e. g. Papallacta, 2800 m ca.) as well as typical Amazonian-like sites (e. g. Misahualli, 450 m). The Volcán Antisana (5758 m) is located in this province but also other volca- noes (e. g. Sumaco, Reventador) are found in the same province. General information on the ecologi- cal, geobotanical and geographical features of Ecuador, and also for Napo province, can be found in ACOSTA SOLÍS (1966, 1977), GRUBB et al., (1963), HARLING (1979), CAÑADAS CRUZ (1983), DESCIMON (1985), BALSLEV (1988), GOMÉZ (1989), RENNER et al. (1990), among others. Un- fourtunately, vast areas in the province of Napo have been deforested in particular near towns, and along roads and rivers. In any case, it is possible to find examples of sites characterized by typical low- land rain forest, by lower montane rain forest, by montane forest and by Paramo-like vegetation in a trip of only four hours travelling by car through this province. A most detailed description of the five sites of the altitudinal transect will be discussed below. A major road crosses this province from Quito (the capital of Ecuador, Pichincha province) to the cross-road near Baeza (2000 m), where this road is divided into two further main roads. One leading to Tena (capital of Napo province) and the other one to Nueva Loja (capital of Sucumbíos province). These roads from Quito to Tena and to Nueva Loja form the two main ways crossing this province. A secondary, but not less important road (i. e. Loreto road), is located along the road Baeza-Tena and it goes to Puerto Francisco de Orellana (= Coca), capital of Orellana province. It is obvious that several minor roads and “senderos” are present everywhere in this province. Two major rivers are found in this province namely Río Coca, and Río Napo, this latter being one of the major affluent of the Amazon river. Several other rivers (e. g. Río Quijos, Río Payamino, Río Antisana, Río Chalupas, Río Mulatos, Río Anzu) are present in this province. The province of Napo: a brief review of the collectors, collecting sites and source data In their introduction, LEMAIRE & VENEDICTOFF (1989) gave a detailed historical review of the collectors of Saturniids in Ecuador. Unfortunately, they did not mention Walter Goodfellow who al- so contributed in collecting few Saturniids specimens at the beginning of the last century. Since the time of MAASSEN (1890, see also the general introduction by WEYMER & MAASSEN, 1890), some Saturniids have been collected in sites located in the province of Napo and for this reason their records are present through the major reference books. Although he was particularly interested in the ornitho- logical fauna, GOODFELLOW (1900, 1901, 1902) travelled in Ecuador collecting also some Saturniid specimens. In the detailed account of his visit to Ecuador, he mentioned also sites located in the province of Napo because he visited Papallacta, Baeza, Archidona and collected material also along the Napo river in the period between January to August 1899. It is not by chance that in the description of 126 SHILAP Revta. lepid., 34 (134), 2006 125-139 The Saturniidae fauna o 15/6/06 13:27 Página 127 THE SATURNIIDAE FAUNA OF NAPO PROVINCE, ECUADOR Fig. 1.– The map of Napo province. The following abbreviations have been used in the map: Misahualli = M; Tena = T; Loreto road = L; Cordillera de Huacamayos = H; Cosanga = C. In the inset, the map of Ecuador with the location of Napo province. SHILAP Revta. lepid., 34 (134), 2006 127 125-139 The Saturniidae fauna o 15/6/06 13:27 Página 128 L. RACHELI & T. RACHELI Cerodirphia nadiana, LEMAIRE (1975b) included in the paratypes series also a male specimen col- lected by Goodfellow. According to the list of approximately 50 collecting sites (Tab. 1), it seems obvious that some im- provements in the entomological investigations with particular reference to the Saturniidae has been made in the last 115 years. In that list, most of the collecting sites are those listed by LEMAIRE & VENEDICTOFF (1989) with some additions and excluding localities located in the recently constituted Sucumbíos and Orellana political provinces. Although the most efficent collections of Saturniids of Napo province have been done by Claude Lemaire and Nadia Venedictoff, many other collectors visit- ed this province in recent times but they did not publish their reports, unfortunately. As introduced above, this inventory is based on a review of literature and on material collected by the present authors. Then, most distributional data from the Napo province are gathered from the study by LEMAIRE & VENEDICTOFF (1989) excluding some of their records from other provinces (e. g. Sucumbíos and Orellana). Without a clear explanation, further records of Hemileucinae taxa from this province reported by LEMAIRE & VENEDICTOFF (1989) were not confirmed by LEMAIRE (2002). According to the critical review by RACHELI (2004), some of the records given by PIÑAS & MAN- ZANO (2003) have been used in arranging the present inventory. In any case, many records are based on our field expeditions in this province carried out during 1993-2001. Most of these data have already been summarized by RACHELI & RACHELI (1998a, 1998b, 1999, 2005c) but additions are also in- cluded in the present study.
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